public static void ToStringTests(string culture, double start, double end, string expected)
        {
            var runner = RangeUtilitiesRunner.Create(culture);

            var actual = runner.ToString(start, end);

            Assert.Equal(expected, actual);
        }
        public static void TryParseTests(string culture, string text, double expectedStart, double expectedEnd, bool expectedResult)
        {
            var runner = RangeUtilitiesRunner.Create(culture);

            var actual = runner.TryParse(text, out var actualStart, out var actualEnd);

            Assert.Equal(expectedResult, actual);
            Assert.Equal(expectedStart, actualStart);
            Assert.Equal(expectedEnd, actualEnd);
        }